Yes you do.

I can’t find a reference to that but China did 17 minutes in January this year. I think you’re confusing the announcement that they increased power by 17x while maintaining plasma.

This test was 20 minutes at a higher power setting without being incredibly destructive, that’s their milestone.

Read the bobiverse and you’ll come across a topopolis. The pictures on wiki suck so here’s one from fiction.

https://kardashev.fandom.com/wiki/Topopolis